.main {
    margin: 20px auto;
}


/* 注册大区域 */

.register {
    width: 850px;
    position: relative;
}

.register::after {
    content: "";
    position: absolute;
    bottom: 0px;
    width: 850px;
    height: 450px;
    background: linear-gradient(to bottom, rgb(255, 255, 255), transparent), url(../images/picture/user.jpg);
    background-size: 100% 100%;
    opacity: .7;
    z-index: -1;
}

.register h1 {
    font-size: 35px;
    font-weight: 400;
    line-height: 130px;
    text-align: center;
    color: #448DDF;
}


/* 已有账号登陆 */

.login {
    font-size: 16px;
}

.login a {
    color: #438CDE;
}


/* 表单控件区 */

.reg_form {
    width: 700px;
    margin: 20px auto;
}

.reg_form ul li {
    margin-bottom: 20px;
    font-size: 16px;
}

.reg_form ul li label {
    display: inline-block;
    width: 100px;
    margin-left: 100px;
    text-align: right;
    color: #448DDF;
}

.reg_form ul li .inp {
    width: 270px;
    height: 40px;
    border: 1px solid #ccc;
}

.reg_form ul li span {
    font-size: 12px;
}


/* 错误 */

.error {
    color: #c81523;
}


/* 正确 */

.success {
    color: green;
}


/* 安全程度 */

.safe {
    padding-left: 250px;
}

.safe em {
    padding: 0 12px;
    color: #fff;
}

.ruo {
    background-color: #de1111;
}

.zhong {
    background-color: #40b83f;
}

.qiang {
    background-color: #f79100;
}


/* 同意注册 */

.agree {
    padding-left: 95px;
}

.agree input {
    vertical-align: middle;
}

.agree a {
    color: #1ba1e6;
}


/* 提交按扭 */

.btn {
    width: 200px;
    height: 50px;
    background-color: #448DDF;
    border-radius: 25px;
    font-size: 20px;
    color: #fff;
    margin: 30px 0 0 100px;
}

.btn[type="reset"] {
    background-color: #87B522;
}